Auto merge of #29841 - mrobinson:update-mozjs, r=jdm

Update mozjs to get new mach version

The mozjs repository now has a version of mach that works more consistently with newer versions of Python.

Fixes #29142.

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---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `___` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #29142
- [x] These changes do not require tests

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.github/workflows/mac.yml

@@ -54,15 +54,6 @@ jobs:
           fetch-depth: 2
       - name: Run sccache-cache
         uses: mozilla-actions/sccache-action@v0.0.3
-      # TODO: Remove this step when the compatibility issue between mozjs and
-      #       Homebrew's Python 3.10 formula (servo/rust-mozjs#559) is fixed
-      - name: Select Python 3.9
-        run: |
-          brew install python@3.9
-          cd $(dirname $(which python3.9))
-          rm -f python3 pip3
-          ln -s python3.9 python3
-          ln -s pip3.9 pip3
       - name: Bootstrap
         run: |
           python3 -m pip install --upgrade pip virtualenv

Cargo.lock

@@ -3752,7 +3752,7 @@ dependencies = [
 [[package]]
 name = "mozjs"
 version = "0.14.1"
-source = "git+https://github.com/servo/mozjs#b9edc816b6662a5986e190cdf53ae295049acb92"
+source = "git+https://github.com/servo/mozjs#98b678283d1b0c6d263302ca2aff770aece0cb8e"
 dependencies = [
  "cc",
  "lazy_static",
@@ -3765,7 +3765,7 @@ dependencies = [
 [[package]]
 name = "mozjs_sys"
 version = "0.68.2"
-source = "git+https://github.com/servo/mozjs#b9edc816b6662a5986e190cdf53ae295049acb92"
+source = "git+https://github.com/servo/mozjs#98b678283d1b0c6d263302ca2aff770aece0cb8e"
 dependencies = [
  "bindgen",
  "cc",